| /* |
| * Copyright 2015 Freescale Semiconductor, Inc. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <i2c.h> |
| #include <fdt_support.h> |
| #include <asm/io.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/fsl_serdes.h> |
| #include <asm/arch/fdt.h> |
| #include <asm/arch/soc.h> |
| #include <ahci.h> |
| #include <hwconfig.h> |
| #include <mmc.h> |
| #include <scsi.h> |
| #include <fm_eth.h> |
| #include <fsl_csu.h> |
| #include <fsl_esdhc.h> |
| #include <fsl_ifc.h> |
| #include <spl.h> |
| |
| #include "../common/qixis.h" |
| #include "ls1043aqds_qixis.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| enum { |
| MUX_TYPE_GPIO, |
| }; |
| |
| /* LS1043AQDS serdes mux */ |
| #define CFG_SD_MUX1_SLOT2 0x0 /* SLOT2 TX/RX0 */ |
| #define CFG_SD_MUX1_SLOT1 0x1 /* SLOT1 TX/RX1 */ |
| #define CFG_SD_MUX2_SLOT3 0x0 /* SLOT3 TX/RX0 */ |
| #define CFG_SD_MUX2_SLOT1 0x1 /* SLOT1 TX/RX2 */ |
| #define CFG_SD_MUX3_SLOT4 0x0 /* SLOT4 TX/RX0 */ |
| #define CFG_SD_MUX3_MUX4 0x1 /* MUX4 */ |
| #define CFG_SD_MUX4_SLOT3 0x0 /* SLOT3 TX/RX1 */ |
| #define CFG_SD_MUX4_SLOT1 0x1 /* SLOT1 TX/RX3 */ |
| #define CFG_UART_MUX_MASK 0x6 |
| #define CFG_UART_MUX_SHIFT 1 |
| #define CFG_LPUART_EN 0x1 |
| |
| int checkboard(void) |
| { |
| char buf[64]; |
| #ifndef CONFIG_SD_BOOT |
| u8 sw; |
| #endif |
| |
| puts("Board: LS1043AQDS, boot from "); |
| |
| #ifdef CONFIG_SD_BOOT |
| puts("SD\n"); |
| #else |
| sw = QIXIS_READ(brdcfg[0]); |
| sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; |
| |
| if (sw < 0x8) |
| printf("vBank: %d\n", sw); |
| else if (sw == 0x8) |
| puts("PromJet\n"); |
| else if (sw == 0x9) |
| puts("NAND\n"); |
| else if (sw == 0xF) |
| printf("QSPI\n"); |
| else |
| printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH); |
| #endif |
| |
| printf("Sys ID: 0x%02x, Sys Ver: 0x%02x\n", |
| QIXIS_READ(id), QIXIS_READ(arch)); |
| |
| printf("FPGA: v%d (%s), build %d\n", |
| (int)QIXIS_READ(scver), qixis_read_tag(buf), |
| (int)qixis_read_minor()); |
| |
| return 0; |
| } |
| |
| bool if_board_diff_clk(void) |
| { |
| u8 diff_conf = QIXIS_READ(brdcfg[11]); |
| |
| return diff_conf & 0x40; |
| } |
| |
| unsigned long get_board_sys_clk(void) |
| { |
| u8 sysclk_conf = QIXIS_READ(brdcfg[1]); |
| |
| switch (sysclk_conf & 0x0f) { |
| case QIXIS_SYSCLK_64: |
| return 64000000; |
| case QIXIS_SYSCLK_83: |
| return 83333333; |
| case QIXIS_SYSCLK_100: |
| return 100000000; |
| case QIXIS_SYSCLK_125: |
| return 125000000; |
| case QIXIS_SYSCLK_133: |
| return 133333333; |
| case QIXIS_SYSCLK_150: |
| return 150000000; |
| case QIXIS_SYSCLK_160: |
| return 160000000; |
| case QIXIS_SYSCLK_166: |
| return 166666666; |
| } |
| |
| return 66666666; |
| } |
| |
| unsigned long get_board_ddr_clk(void) |
| { |
| u8 ddrclk_conf = QIXIS_READ(brdcfg[1]); |
| |
| if (if_board_diff_clk()) |
| return get_board_sys_clk(); |
| switch ((ddrclk_conf & 0x30) >> 4) { |
| case QIXIS_DDRCLK_100: |
| return 100000000; |
| case QIXIS_DDRCLK_125: |
| return 125000000; |
| case QIXIS_DDRCLK_133: |
| return 133333333; |
| } |
| |
| return 66666666; |
| } |
| |
| int select_i2c_ch_pca9547(u8 ch) |
| { |
| int ret; |
| |
| ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1); |
| if (ret) { |
| puts("PCA: failed to select proper channel\n"); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| int dram_init(void) |
| { |
| /* |
| * When resuming from deep sleep, the I2C channel may not be |
| * in the default channel. So, switch to the default channel |
| * before accessing DDR SPD. |
| */ |
| select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); |
| gd->ram_size = initdram(0); |
| |
| return 0; |
| } |
| |
| int i2c_multiplexer_select_vid_channel(u8 channel) |
| { |
| return select_i2c_ch_pca9547(channel); |
| } |
| |
| void board_retimer_init(void) |
| { |
| u8 reg; |
| |
| /* Retimer is connected to I2C1_CH7_CH5 */ |
| select_i2c_ch_pca9547(I2C_MUX_CH7); |
| reg = I2C_MUX_CH5; |
| i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, ®, 1); |
| |
| /* Access to Control/Shared register */ |
| reg = 0x0; |
| i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); |
| |
| /* Read device revision and ID */ |
| i2c_read(I2C_RETIMER_ADDR, 1, 1, ®, 1); |
| debug("Retimer version id = 0x%x\n", reg); |
| |
| /* Enable Broadcast. All writes target all channel register sets */ |
| reg = 0x0c; |
| i2c_write(I2C_RETIMER_ADDR, 0xff, 1, ®, 1); |
| |
| /* Reset Channel Registers */ |
| i2c_read(I2C_RETIMER_ADDR, 0, 1, ®, 1); |
| reg |= 0x4; |
| i2c_write(I2C_RETIMER_ADDR, 0, 1, ®, 1); |
| |
| /* Enable override divider select and Enable Override Output Mux */ |
| i2c_read(I2C_RETIMER_ADDR, 9, 1, ®, 1); |
| reg |= 0x24; |
| i2c_write(I2C_RETIMER_ADDR, 9, 1, ®, 1); |
| |
| /* Select VCO Divider to full rate (000) */ |
| i2c_read(I2C_RETIMER_ADDR, 0x18, 1, ®, 1); |
| reg &= 0x8f; |
| i2c_write(I2C_RETIMER_ADDR, 0x18, 1, ®, 1); |
| |
| /* Selects active PFD MUX Input as Re-timed Data (001) */ |
| i2c_read(I2C_RETIMER_ADDR, 0x1e, 1, ®, 1); |
| reg &= 0x3f; |
| reg |= 0x20; |
| i2c_write(I2C_RETIMER_ADDR, 0x1e, 1, ®, 1); |
| |
| /* Set data rate as 10.3125 Gbps */ |
| reg = 0x0; |
| i2c_write(I2C_RETIMER_ADDR, 0x60, 1, ®, 1); |
| reg = 0xb2; |
| i2c_write(I2C_RETIMER_ADDR, 0x61, 1, ®, 1); |
| reg = 0x90; |
| i2c_write(I2C_RETIMER_ADDR, 0x62, 1, ®, 1); |
| reg = 0xb3; |
| i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1); |
| reg = 0xcd; |
| i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1); |
| |
| /* Return the default channel */ |
| select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); |
| } |
| |
| int board_early_init_f(void) |
| { |
| #ifdef CONFIG_HAS_FSL_XHCI_USB |
| struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; |
| u32 usb_pwrfault; |
| #endif |
| #ifdef CONFIG_LPUART |
| u8 uart; |
| #endif |
| |
| #ifdef CONFIG_SYS_I2C_EARLY_INIT |
| i2c_early_init_f(); |
| #endif |
| fsl_lsch2_early_init_f(); |
| |
| #ifdef CONFIG_HAS_FSL_XHCI_USB |
| out_be32(&scfg->rcwpmuxcr0, 0x3333); |
| out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1); |
| usb_pwrfault = |
| (SCFG_USBPWRFAULT_DEDICATED << SCFG_USBPWRFAULT_USB3_SHIFT) | |
| (SCFG_USBPWRFAULT_DEDICATED << SCFG_USBPWRFAULT_USB2_SHIFT) | |
| (SCFG_USBPWRFAULT_SHARED << SCFG_USBPWRFAULT_USB1_SHIFT); |
| out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault); |
| #endif |
| |
| #ifdef CONFIG_LPUART |
| /* We use lpuart0 as system console */ |
| uart = QIXIS_READ(brdcfg[14]); |
| uart &= ~CFG_UART_MUX_MASK; |
| uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT; |
| QIXIS_WRITE(brdcfg[14], uart); |
| #endif |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_FSL_DEEP_SLEEP |
| /* determine if it is a warm boot */ |
| bool is_warm_boot(void) |
| { |
| #define DCFG_CCSR_CRSTSR_WDRFR (1 << 3) |
| struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR; |
| |
| if (in_be32(&gur->crstsr) & DCFG_CCSR_CRSTSR_WDRFR) |
| return 1; |
| |
| return 0; |
| } |
| #endif |
| |
| int config_board_mux(int ctrl_type) |
| { |
| u8 reg14; |
| |
| reg14 = QIXIS_READ(brdcfg[14]); |
| |
| switch (ctrl_type) { |
| case MUX_TYPE_GPIO: |
| reg14 = (reg14 & (~0x30)) | 0x20; |
| break; |
| default: |
| puts("Unsupported mux interface type\n"); |
| return -1; |
| } |
| |
| QIXIS_WRITE(brdcfg[14], reg14); |
| |
| return 0; |
| } |
| |
| int config_serdes_mux(void) |
| { |
| return 0; |
| } |
| |
| |
| #ifdef CONFIG_MISC_INIT_R |
| int misc_init_r(void) |
| { |
| if (hwconfig("gpio")) |
| config_board_mux(MUX_TYPE_GPIO); |
| |
| return 0; |
| } |
| #endif |
| |
| int board_init(void) |
| { |
| select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); |
| board_retimer_init(); |
| |
| #ifdef CONFIG_SYS_FSL_SERDES |
| config_serdes_mux(); |
| #endif |
| |
| #ifdef CONFIG_LAYERSCAPE_NS_ACCESS |
| enable_layerscape_ns_access(); |
| #endif |
| return 0; |
| } |
| |
| #ifdef CONFIG_OF_BOARD_SETUP |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| u64 base[CONFIG_NR_DRAM_BANKS]; |
| u64 size[CONFIG_NR_DRAM_BANKS]; |
| u8 reg; |
| |
| /* fixup DT for the two DDR banks */ |
| base[0] = gd->bd->bi_dram[0].start; |
| size[0] = gd->bd->bi_dram[0].size; |
| base[1] = gd->bd->bi_dram[1].start; |
| size[1] = gd->bd->bi_dram[1].size; |
| |
| fdt_fixup_memory_banks(blob, base, size, 2); |
| ft_cpu_setup(blob, bd); |
| |
| #ifdef CONFIG_SYS_DPAA_FMAN |
| fdt_fixup_fman_ethernet(blob); |
| fdt_fixup_board_enet(blob); |
| #endif |
| |
| reg = QIXIS_READ(brdcfg[0]); |
| reg = (reg & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT; |
| |
| /* Disable IFC if QSPI is enabled */ |
| if (reg == 0xF) |
| do_fixup_by_compat(blob, "fsl,ifc", |
| "status", "disabled", 8 + 1, 1); |
| |
| return 0; |
| } |
| #endif |
| |
| u8 flash_read8(void *addr) |
| { |
| return __raw_readb(addr + 1); |
| } |
| |
| void flash_write16(u16 val, void *addr) |
| { |
| u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00)); |
| |
| __raw_writew(shftval, addr); |
| } |
| |
| u16 flash_read16(void *addr) |
| { |
| u16 val = __raw_readw(addr); |
| |
| return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00); |
| } |